Peptide Skincare & BeautySkin science and ingredient guides

Ingredient or product comparison

GHK-Cu for Thinning Hair: Formulation Comparison

Aqueous Solution (non-liposomal) 1–2% GHK-Cu Distilled water + preservative 5.5–6.5 4–8 weeks (refrigerated) Moderate Lowest cost, shortest shelf life, requires frequent reapplication Liposomal Serum Phospholipid vesicles in aqueous base 6–12 months (ambient)

This source-based comparison does not add ratings or recommend a winner.

  • Aqueous Solution (non-liposomal)
  • 1–2% GHK-Cu
  • Distilled water + preservative
  • 5.5–6.5
  • 4–8 weeks (refrigerated)
  • Moderate
  • Lowest cost, shortest shelf life, requires frequent reapplication
  • Liposomal Serum
  • Phospholipid vesicles in aqueous base
  • 6–12 months (ambient)
  • High
  • Optimal delivery, extended stability, higher cost per dose
  • Oil-Based Suspension
  • Jojoba or MCT oil + emulsifier
  • 12+ months
  • Low to moderate
  • Oxidation resistance, but reduced scalp penetration
  • Commercial Cosmetic Serums
  • 0.05–0.5% GHK-Cu (typical)
  • Proprietary blend
  • 4.0–7.5 (variable)
  • 12–24 months
  • Variable
  • Often under-dosed or pH-incompatible. Verify copper complex integrity